Compared to some other animals, humans have it rough.
When we lose a body part, it does not grow back. We've dreamed of regeneration for as long as we could dream.
There IS a glimmer of hope, andit comes from a worm. See, the worm that has most in common with people CAN grow back severed parts.
Our Creature Feature takes up the topic with Dr. Billie Swalla at the University of Washington. She tells us how much hope this finding might give for human regeneration.